Fluid Ounce Conversions

About Fluid Ounces

The fluid ounce (fl oz) is a unit of volume in the US customary system, commonly used for measuring liquids. One fluid ounce equals approximately 29.57 milliliters.

Common Uses

• Beverages: Drink serving sizes (8 fl oz cup, 12 fl oz can, 20 fl oz bottle)
• Cooking: Small liquid measurements in recipes
• Medicine: Liquid medication dosages
• Cosmetics: Product volumes for lotions and perfumes

Conversions

• 1 fluid ounce ≈ 29.57 milliliters
• 8 fluid ounces = 1 cup
• 16 fluid ounces = 1 pint
• 32 fluid ounces = 1 quart
• 128 fluid ounces = 1 gallon

Important Note

Do not confuse fluid ounces (volume) with ounces (weight). They measure different properties.